Finding the Fourth Proportional to 42,962.47, 64,490.82 and 34,134.52

Step by Step Solution

1. Step 1: Write the proportion equation
   42,962.47 : 64,490.82 = 34,134.52 : x
2. Step 2: Convert to fraction form
   42,962.47/64,490.82 = 34,134.52/x
3. Step 3: Cross multiply
   42,962.47x = 64,490.82 × 34,134.52
4. Step 4: Simplify right side
   42,962.47x = 2,201,363,185.11
5. Step 5: Solve for x
   x = 2,201,363,185.11/42,962.47
6. Step 6: Final answer
   x = 51,239.21